package com.itheima.mapper;


import com.itheima.pojo.Emp;
import com.itheima.pojo.EmpQueryParam;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Options;
import org.apache.ibatis.annotations.Select;

import java.util.List;
import java.util.Map;

@Mapper
public interface EmpMapper {

    //--------------------原始分页查询---------------------------------------------
//    @Select("select count(*) from emp e left join dept d on e.dept_id = d.id")
//    public Long conut();
//
//    @Select("select e.*,d.name deptName from emp e left join dept d on e.dept_id = d.id " +
//            "order by e.update_time desc limit #{start},#{pageSize}")
//    public List<Emp> list(Integer start,Integer pageSize);

    //-----------------------PageHelper分页插件------------------------------------------
    //@Select("select e.*,d.name deptName from emp e left join dept d on e.dept_id = d.id order by e.update_time desc")
    public List<Emp> list(EmpQueryParam empQueryParam);



    @Options(useGeneratedKeys = true , keyProperty = "id")
    @Insert("insert into emp (username, name, gender, phone, job, salary, image, entry_date, dept_id, create_time, update_time)\n" +
            "VALUES (#{username},#{name},#{gender},#{phone},#{job},#{salary},#{image},#{entryDate},#{deptId},#{createTime},#{updateTime});")
    void insert(Emp emp);

    void deleteByIds(List<Integer> ids);


    Emp getById(Integer id);

    void updateById(Emp emp);


    List<Map<String,Object>> countEmpJobData();

    List<Map<String, Object>> countEmpGenderData();

    @Select("select id,username,name,password,entry_date,gender,image,job,salary,dept_id,create_time,update_time from emp")
    List<Emp> select();

    @Select("select id,username,name,password,entry_date,gender,job,salary,dept_id,create_time,update_time from emp where username=#{username} and password=#{password}")
    Emp selectByUsernameAndPassword(Emp emp);
}
